Granted Patent
Utility
US 6,383,815 · App. 09/681,432
Devices and methods for measurements of barrier properties of coating arrays
Inventor:
Radislav Alexandrovich Potyrailo
Patented Case
View Patent ↗
Granted: May 7, 2002
Filed: Apr 4, 2001
Inventor
Radislav Alexandrovich Potyrailo
Assignee (at issue)
General Electric Company
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.